DevTools: Added a test for Live Edit behavior on reload with workspace.

TBR=pfeldman

Review URL: https://codereview.chromium.org/180053002

git-svn-id: svn://svn.chromium.org/blink/trunk@167800 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Use the column names for Editing, instead of just "Edit"

From WebKit r152979 by <dpino@igalia.com>

Review URL: https://codereview.chromium.org/174953004

git-svn-id: svn://svn.chromium.org/blink/trunk@167801 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Do not reset wait icon by default

Calling the updateStatus without wait state argument should
not reset the wait icon.

Review URL: https://codereview.chromium.org/178313003

git-svn-id: svn://svn.chromium.org/blink/trunk@167802 bbb929c8-8fbe-4397-9dbb-9b2b20218538